basic VM mostly working!

[redis.git] / test-redis.tcl

diff --git a/test-redis.tcl b/test-redis.tcl
index d3837026b81ceb7a45f73576c5efb52e5c864749..1ac877e11559bcfcd4769ae69683ffb13f423c58 100644 (file)
--- a/test-redis.tcl
+++ b/test-redis.tcl
@@ -1,13 +1,19 @@
-# TODO # test pipelining
+# test-redis.tcl
+# Redis test suite. Copyright (C) 2009 Salvatore Sanfilippo antirez@gmail.com
+# This softare is released under the BSD License. See the COPYING file for
+# more information.

 
 set tcl_precision 17
 source redis.tcl
 
 set ::passed 0
 set ::failed 0
 
 set tcl_precision 17
 source redis.tcl
 
 set ::passed 0
 set ::failed 0

+set ::testnum 0

 
 proc test {name code okpattern} {
 
 proc test {name code okpattern} {

-    puts -nonewline [format "%-70s " $name]
+    incr ::testnum
+    if {$::testnum < $::first || $::testnum > $::last} return
+    puts -nonewline [format "%-70s " "#$::testnum $name"]

     flush stdout
     set retval [uplevel 1 $code]
     if {$okpattern eq $retval || [string match $okpattern $retval]} {
     flush stdout
     set retval [uplevel 1 $code]
     if {$okpattern eq $retval || [string match $okpattern $retval]} {


@@ -46,10 +52,172 @@ proc zlistAlikeSort {a b} {
     string compare [lindex $a 1] [lindex $b 1]
 }
 
     string compare [lindex $a 1] [lindex $b 1]
 }
 

+proc waitForBgsave r {
+    while 1 {
+        set i [$r info]
+        if {[string match {*bgsave_in_progress:1*} $i]} {
+            puts -nonewline "\nWaiting for background save to finish... "
+            flush stdout
+            after 1000
+        } else {
+            break
+        }
+    }
+}
+
+proc waitForBgrewriteaof r {
+    while 1 {
+        set i [$r info]
+        if {[string match {*bgrewriteaof_in_progress:1*} $i]} {
+            puts -nonewline "\nWaiting for background AOF rewrite to finish... "
+            flush stdout
+            after 1000
+        } else {
+            break
+        }
+    }
+}
+
+proc randomInt {max} {
+    expr {int(rand()*$max)}
+}
+
+proc randpath args {
+    set path [expr {int(rand()*[llength $args])}]
+    uplevel 1 [lindex $args $path]
+}
+
+proc randomValue {} {
+    randpath {
+        # Small enough to likely collide
+        randomInt 1000
+    } {
+        # 32 bit compressible signed/unsigned
+        randpath {randomInt 2000000000} {randomInt 4000000000}
+    } {
+        # 64 bit
+        randpath {randomInt 1000000000000}
+    } {
+        # Random string
+        randpath {randstring 0 256 alpha} \
+                {randstring 0 256 compr} \
+                {randstring 0 256 binary}
+    }
+}
+
+proc randomKey {} {
+    randpath {
+        # Small enough to likely collide
+        randomInt 1000
+    } {
+        # 32 bit compressible signed/unsigned
+        randpath {randomInt 2000000000} {randomInt 4000000000}
+    } {
+        # 64 bit
+        randpath {randomInt 1000000000000}
+    } {
+        # Random string
+        randpath {randstring 1 256 alpha} \
+                {randstring 1 256 compr}
+    }
+}
+
+proc createComplexDataset {r ops} {
+    for {set j 0} {$j < $ops} {incr j} {
+        set k [randomKey]
+        set v [randomValue]
+        randpath {
+            set d [expr {rand()}]
+        } {
+            set d [expr {rand()}]
+        } {
+            set d [expr {rand()}]
+        } {
+            set d [expr {rand()}]
+        } {
+            set d [expr {rand()}]
+        } {
+            randpath {set d +inf} {set d -inf}
+        }
+        set t [$r type $k]
+
+        if {$t eq {none}} {
+            randpath {
+                $r set $k $v
+            } {
+                $r lpush $k $v
+            } {
+                $r sadd $k $v
+            } {
+                $r zadd $k $d $v
+            }
+            set t [$r type $k]
+        }
+
+        switch $t {
+            {string} {
+                # Nothing to do
+            }
+            {list} {
+                randpath {$r lpush $k $v} \
+                        {$r rpush $k $v} \
+                        {$r lrem $k 0 $v} \
+                        {$r rpop $k} \
+                        {$r lpop $k}
+            }
+            {set} {
+                randpath {$r sadd $k $v} \
+                        {$r srem $k $v}
+            }
+            {zset} {
+                randpath {$r zadd $k $d $v} \
+                        {$r zrem $k $v}
+            }
+        }
+    }
+}
+
+proc datasetDigest r {
+    set keys [lsort [split [$r keys *] " "]]
+    set digest {}
+    foreach k $keys {
+        set t [$r type $k]
+        switch $t {
+            {string} {
+                set aux [::sha1::sha1 -hex [$r get $k]]
+            } {list} {
+                if {[$r llen $k] == 0} {
+                    set aux {}
+                } else {
+                    set aux [::sha1::sha1 -hex [$r lrange $k 0 -1]]
+                }
+            } {set} {
+                if {[$r scard $k] == 0} {
+                    set aux {}
+                } else {
+                    set aux [::sha1::sha1 -hex [lsort [$r smembers $k]]]
+                }
+            } {zset} {
+                if {[$r zcard $k] == 0} {
+                    set aux {}
+                } else {
+                    set aux [::sha1::sha1 -hex [$r zrange $k 0 -1]]
+                }
+            } default {
+                error "Type not supported"
+            }
+        }
+        if {$aux eq {}} continue
+        set digest [::sha1::sha1 -hex [join [list $aux $digest $k] "\n"]]
+    }
+    return $digest
+}
+

 proc main {server port} {
     set r [redis $server $port]
     $r select 9
     set err ""
 proc main {server port} {
     set r [redis $server $port]
     $r select 9
     set err ""

+    set res ""

 
     # The following AUTH test should be enabled only when requirepass
     # <PASSWORD> is set in redis.conf and redis-server was started with
 
     # The following AUTH test should be enabled only when requirepass
     # <PASSWORD> is set in redis.conf and redis-server was started with


@@ -69,6 +237,11 @@ proc main {server port} {
         $r get x
     } {foobar}
 
         $r get x
     } {foobar}
 

+    test {SET and GET an empty item} {
+        $r set x {}
+        $r get x
+    } {}
+

     test {DEL against a single item} {
         $r del x
         $r get x
     test {DEL against a single item} {
         $r del x
         $r get x


@@ -147,6 +320,11 @@ proc main {server port} {
         $r incrby novar 17179869184
     } {34359738368}
 
         $r incrby novar 17179869184
     } {34359738368}
 

+    test {INCR against key with spaces (no integer encoded)} {
+        $r set novar "    11    "
+        $r incr novar
+    } {12}
+

     test {DECRBY over 32bit value with over 32bit increment, negative res} {
         $r set novar 17179869184
         $r decrby novar 17179869185
     test {DECRBY over 32bit value with over 32bit increment, negative res} {
         $r set novar 17179869184
         $r decrby novar 17179869185


@@ -162,6 +340,13 @@ proc main {server port} {
         $r get novar2
     } {foobared}
 
         $r get novar2
     } {foobared}
 

+    test {SETNX will overwrite EXPIREing key} {
+        $r set x 10
+        $r expire x 10000
+        $r setnx x 20
+        $r get x
+    } {20}
+

     test {EXISTS} {
         set res {}
         $r set newkey test
     test {EXISTS} {
         set res {}
         $r set newkey test


@@ -202,7 +387,8 @@ proc main {server port} {
         append res [$r lindex mylist 0]
         append res [$r lindex mylist 1]
         append res [$r lindex mylist 2]
         append res [$r lindex mylist 0]
         append res [$r lindex mylist 1]
         append res [$r lindex mylist 2]

-    } {3bac}
+        list $res [$r lindex mylist 100]
+    } {3bac {}}

 
     test {DEL a list} {
         $r del mylist
 
     test {DEL a list} {
         $r del mylist


@@ -235,6 +421,19 @@ proc main {server port} {
         format $ok
     } {2000}
 
         format $ok
     } {2000}
 

+    test {Check if the list is still ok after a DEBUG RELOAD} {
+        $r debug reload
+        set ok 0
+        for {set i 0} {$i < 1000} {incr i} {
+            set rint [expr int(rand()*1000)]
+            if {[$r lindex mylist $rint] eq $rint} {incr ok}
+            if {[$r lindex mylist [expr (-$rint)-1]] eq [expr 999-$rint]} {
+                incr ok
+            }
+        }
+        format $ok
+    } {2000}
+

     test {LLEN against non-list value error} {
         $r del mylist
         $r set mylist foobar
     test {LLEN against non-list value error} {
         $r del mylist
         $r set mylist foobar


@@ -242,11 +441,19 @@ proc main {server port} {
         format $err
     } {ERR*}
 
         format $err
     } {ERR*}
 

+    test {LLEN against non existing key} {
+        $r llen not-a-key
+    } {0}
+

     test {LINDEX against non-list value error} {
         catch {$r lindex mylist 0} err
         format $err
     } {ERR*}
 
     test {LINDEX against non-list value error} {
         catch {$r lindex mylist 0} err
         format $err
     } {ERR*}
 

+    test {LINDEX against non existing key} {
+        $r lindex not-a-key 10
+    } {}
+

     test {LPUSH against non-list value error} {
         catch {$r lpush mylist 0} err
         format $err
     test {LPUSH against non-list value error} {
         catch {$r lpush mylist 0} err
         format $err


@@ -323,6 +530,12 @@ proc main {server port} {
         list [$r lrange mylist 0 -1] [$r type newlist] [string range $err 0 2]
     } {{a b c d} string ERR}
 
         list [$r lrange mylist 0 -1] [$r type newlist] [string range $err 0 2]
     } {{a b c d} string ERR}
 

+    test {RPOPLPUSH against non existing src key} {
+        $r del mylist
+        $r del newlist
+        $r rpoplpush mylist newlist
+    } {}
+

     test {RENAME basic usage} {
         $r set mykey hello
         $r rename mykey mykey1
     test {RENAME basic usage} {
         $r set mykey hello
         $r rename mykey mykey1


@@ -486,7 +699,36 @@ proc main {server port} {
         $r lrange mylist 0 -1
     } {99 98 97 96 95}
 
         $r lrange mylist 0 -1
     } {99 98 97 96 95}
 

+    test {LTRIM stress testing} {
+        set mylist {}
+        set err {}
+        for {set i 0} {$i < 20} {incr i} {
+            lappend mylist $i
+        }
+
+        for {set j 0} {$j < 100} {incr j} {
+            # Fill the list
+            $r del mylist
+            for {set i 0} {$i < 20} {incr i} {
+                $r rpush mylist $i
+            }
+            # Trim at random
+            set a [randomInt 20]
+            set b [randomInt 20]
+            $r ltrim mylist $a $b
+            if {[$r lrange mylist 0 -1] ne [lrange $mylist $a $b]} {
+                set err "[$r lrange mylist 0 -1] != [lrange $mylist $a $b]"
+                break
+            }
+        }
+        set _ $err
+    } {}
+

     test {LSET} {
     test {LSET} {

+        $r del mylist
+        foreach x {99 98 97 96 95} {
+            $r rpush mylist $x
+        }

         $r lset mylist 1 foo
         $r lset mylist -1 bar
         $r lrange mylist 0 -1
         $r lset mylist 1 foo
         $r lset mylist -1 bar
         $r lrange mylist 0 -1


@@ -551,11 +793,22 @@ proc main {server port} {
         lsort [$r smembers setres]
     } {995 996 997 998 999}
 
         lsort [$r smembers setres]
     } {995 996 997 998 999}
 

+    test {SINTERSTORE with two sets, after a DEBUG RELOAD} {
+        $r debug reload
+        $r sinterstore setres set1 set2
+        lsort [$r smembers setres]
+    } {995 996 997 998 999}
+

     test {SUNIONSTORE with two sets} {
         $r sunionstore setres set1 set2
         lsort [$r smembers setres]
     } [lsort -uniq "[$r smembers set1] [$r smembers set2]"]
 
     test {SUNIONSTORE with two sets} {
         $r sunionstore setres set1 set2
         lsort [$r smembers setres]
     } [lsort -uniq "[$r smembers set1] [$r smembers set2]"]
 

+    test {SUNIONSTORE against non existing keys} {
+        $r set setres xxx
+        list [$r sunionstore setres foo111 bar222] [$r exists xxx]
+    } {0 0}
+

     test {SINTER against three sets} {
         $r sadd set3 999
         $r sadd set3 995
     test {SINTER against three sets} {
         $r sadd set3 999
         $r sadd set3 995


@@ -600,16 +853,7 @@ proc main {server port} {
 
     test {SAVE - make sure there are all the types as values} {
         # Wait for a background saving in progress to terminate
 
     test {SAVE - make sure there are all the types as values} {
         # Wait for a background saving in progress to terminate

-        while 1 {
-            set i [$r info]
-            if {[string match {*bgsave_in_progress:1*} $i]} {
-                puts -nonewline "\nWaiting for background save to finish... "
-                flush stdout
-                after 100
-            } else {
-                break
-            }
-        }
+        waitForBgsave $r

         $r lpush mysavelist hello
         $r lpush mysavelist world
         $r set myemptykey {}
         $r lpush mysavelist hello
         $r lpush mysavelist world
         $r set myemptykey {}


@@ -619,19 +863,37 @@ proc main {server port} {
         $r zadd mytestzset c 30
         $r save
     } {OK}
         $r zadd mytestzset c 30
         $r save
     } {OK}

+
+    test {SRANDMEMBER} {
+        $r del myset
+        $r sadd myset a
+        $r sadd myset b
+        $r sadd myset c
+        unset -nocomplain myset
+        array set myset {}
+        for {set i 0} {$i < 100} {incr i} {
+            set myset([$r srandmember myset]) 1
+        }
+        lsort [array names myset]
+    } {a b c}

     
     

-    test {Create a random list} {
+    test {Create a random list and a random set} {

         set tosort {}
         array set seenrand {}
         for {set i 0} {$i < 10000} {incr i} {
             while 1 {
                 # Make sure all the weights are different because
                 # Redis does not use a stable sort but Tcl does.
         set tosort {}
         array set seenrand {}
         for {set i 0} {$i < 10000} {incr i} {
             while 1 {
                 # Make sure all the weights are different because
                 # Redis does not use a stable sort but Tcl does.

-                set rint [expr int(rand()*1000000)]
+                randpath {
+                    set rint [expr int(rand()*1000000)]
+                } {
+                    set rint [expr rand()]
+                }

                 if {![info exists seenrand($rint)]} break
             }
             set seenrand($rint) x
             $r lpush tosort $i
                 if {![info exists seenrand($rint)]} break
             }
             set seenrand($rint) x
             $r lpush tosort $i

+            $r sadd tosort-set $i

             $r set weight_$i $rint
             lappend tosort [list $i $rint]
         }
             $r set weight_$i $rint
             lappend tosort [list $i $rint]
         }


@@ -647,6 +909,15 @@ proc main {server port} {
         $r sort tosort {BY weight_*}
     } $res
 
         $r sort tosort {BY weight_*}
     } $res
 

+    test {the same SORT with BY, but against the newly created set} {
+        $r sort tosort-set {BY weight_*}
+    } $res
+
+    test {SORT with BY and STORE against the newly created list} {
+        $r sort tosort {BY weight_*} store sort-res
+        $r lrange sort-res 0 -1
+    } $res
+

     test {SORT direct, numeric, against the newly created list} {
         $r sort tosort
     } [lsort -integer $res]
     test {SORT direct, numeric, against the newly created list} {
         $r sort tosort
     } [lsort -integer $res]


@@ -696,6 +967,19 @@ proc main {server port} {
         $r sort mylist
     } [lsort -real {1.1 5.10 3.10 7.44 2.1 5.75 6.12 0.25 1.15}]
 
         $r sort mylist
     } [lsort -real {1.1 5.10 3.10 7.44 2.1 5.75 6.12 0.25 1.15}]
 

+    test {SORT with GET #} {
+        $r del mylist
+        $r lpush mylist 1
+        $r lpush mylist 2
+        $r lpush mylist 3
+        $r mset weight_1 10 weight_2 5 weight_3 30
+        $r sort mylist BY weight_* GET #
+    } {2 1 3}
+
+    test {SORT with constant GET} {
+        $r sort mylist GET foo
+    } {{} {} {}}
+

     test {LREM, remove all the occurrences} {
         $r flushdb
         $r rpush mylist foo
     test {LREM, remove all the occurrences} {
         $r flushdb
         $r rpush mylist foo


@@ -857,6 +1141,13 @@ proc main {server port} {
         list [$r msetnx x1 xxx y2 yyy] [$r get x1] [$r get y2]
     } {1 xxx yyy}
 
         list [$r msetnx x1 xxx y2 yyy] [$r get x1] [$r get y2]
     } {1 xxx yyy}
 

+    test {MSETNX should remove all the volatile keys even on failure} {
+        $r mset x 1 y 2 z 3
+        $r expire y 10000
+        $r expire z 10000
+        list [$r msetnx x A y B z C] [$r mget x y z]
+    } {0 {1 {} {}}}
+

     test {ZSET basic ZADD and score update} {
         $r zadd ztmp 10 x
         $r zadd ztmp 20 y
     test {ZSET basic ZADD and score update} {
         $r zadd ztmp 10 x
         $r zadd ztmp 20 y


@@ -867,6 +1158,14 @@ proc main {server port} {
         list $aux1 $aux2
     } {{x y z} {y x z}}
 
         list $aux1 $aux2
     } {{x y z} {y x z}}
 

+    test {ZCARD basics} {
+        $r zcard ztmp
+    } {3}
+
+    test {ZCARD non existing key} {
+        $r zcard ztmp-blabla
+    } {0}
+

     test {ZSCORE} {
         set aux {}
         set err {}
     test {ZSCORE} {
         set aux {}
         set err {}


@@ -884,9 +1183,33 @@ proc main {server port} {
         set _ $err
     } {}
 
         set _ $err
     } {}
 

-    test {ZRANGE and ZREVRANGE} {
-        list [$r zrange ztmp 0 -1] [$r zrevrange ztmp 0 -1]
-    } {{y x z} {z x y}}
+    test {ZSCORE after a DEBUG RELOAD} {
+        set aux {}
+        set err {}
+        $r del zscoretest
+        for {set i 0} {$i < 1000} {incr i} {
+            set score [expr rand()]
+            lappend aux $score
+            $r zadd zscoretest $score $i
+        }
+        $r debug reload
+        for {set i 0} {$i < 1000} {incr i} {
+            if {[$r zscore zscoretest $i] != [lindex $aux $i]} {
+                set err "Expected score was [lindex $aux $i] but got [$r zscore zscoretest $i] for element $i"
+                break
+            }
+        }
+        set _ $err
+    } {}
+
+    test {ZRANGE and ZREVRANGE basics} {
+        list [$r zrange ztmp 0 -1] [$r zrevrange ztmp 0 -1] \
+            [$r zrange ztmp 1 -1] [$r zrevrange ztmp 1 -1]
+    } {{y x z} {z x y} {x z} {x y}}
+
+    test {ZRANGE WITHSCORES} {
+        $r zrange ztmp 0 -1 withscores
+    } {y 1 x 10 z 30}

 
     test {ZSETs stress tester - sorting is working well?} {
         set delta 0
 
     test {ZSETs stress tester - sorting is working well?} {
         set delta 0


@@ -934,6 +1257,127 @@ proc main {server port} {
         format $delta
     } {0}
 
         format $delta
     } {0}
 

+    test {ZINCRBY - can create a new sorted set} {
+        $r del zset
+        $r zincrby zset 1 foo
+        list [$r zrange zset 0 -1] [$r zscore zset foo]
+    } {foo 1}
+
+    test {ZINCRBY - increment and decrement} {
+        $r zincrby zset 2 foo
+        $r zincrby zset 1 bar
+        set v1 [$r zrange zset 0 -1]
+        $r zincrby zset 10 bar
+        $r zincrby zset -5 foo
+        $r zincrby zset -5 bar
+        set v2 [$r zrange zset 0 -1]
+        list $v1 $v2 [$r zscore zset foo] [$r zscore zset bar]
+    } {{bar foo} {foo bar} -2 6}
+
+    test {ZRANGEBYSCORE basics} {
+        $r del zset
+        $r zadd zset 1 a
+        $r zadd zset 2 b
+        $r zadd zset 3 c
+        $r zadd zset 4 d
+        $r zadd zset 5 e
+        $r zrangebyscore zset 2 4
+    } {b c d}
+
+    test {ZRANGEBYSCORE fuzzy test, 100 ranges in 1000 elements sorted set} {
+        set err {}
+        $r del zset
+        for {set i 0} {$i < 1000} {incr i} {
+            $r zadd zset [expr rand()] $i
+        }
+        for {set i 0} {$i < 100} {incr i} {
+            set min [expr rand()]
+            set max [expr rand()]
+            if {$min > $max} {
+                set aux $min
+                set min $max
+                set max $aux
+            }
+            set low [$r zrangebyscore zset -inf $min]
+            set ok [$r zrangebyscore zset $min $max]
+            set high [$r zrangebyscore zset $max +inf]
+            foreach x $low {
+                set score [$r zscore zset $x]
+                if {$score > $min} {
+                    append err "Error, score for $x is $score > $min\n"
+                }
+            }
+            foreach x $ok {
+                set score [$r zscore zset $x]
+                if {$score < $min || $score > $max} {
+                    append err "Error, score for $x is $score outside $min-$max range\n"
+                }
+            }
+            foreach x $high {
+                set score [$r zscore zset $x]
+                if {$score < $max} {
+                    append err "Error, score for $x is $score < $max\n"
+                }
+            }
+        }
+        set _ $err
+    } {}
+
+    test {ZRANGEBYSCORE with LIMIT} {
+        $r del zset
+        $r zadd zset 1 a
+        $r zadd zset 2 b
+        $r zadd zset 3 c
+        $r zadd zset 4 d
+        $r zadd zset 5 e
+        list \
+            [$r zrangebyscore zset 0 10 LIMIT 0 2] \
+            [$r zrangebyscore zset 0 10 LIMIT 2 3] \
+            [$r zrangebyscore zset 0 10 LIMIT 2 10] \
+            [$r zrangebyscore zset 0 10 LIMIT 20 10]
+    } {{a b} {c d e} {c d e} {}}
+
+    test {ZREMRANGE basics} {
+        $r del zset
+        $r zadd zset 1 a
+        $r zadd zset 2 b
+        $r zadd zset 3 c
+        $r zadd zset 4 d
+        $r zadd zset 5 e
+        list [$r zremrangebyscore zset 2 4] [$r zrange zset 0 -1]
+    } {3 {a e}}
+
+    test {ZREMRANGE from -inf to +inf} {
+        $r del zset
+        $r zadd zset 1 a
+        $r zadd zset 2 b
+        $r zadd zset 3 c
+        $r zadd zset 4 d
+        $r zadd zset 5 e
+        list [$r zremrangebyscore zset -inf +inf] [$r zrange zset 0 -1]
+    } {5 {}}
+
+    test {SORT against sorted sets} {
+        $r del zset
+        $r zadd zset 1 a
+        $r zadd zset 5 b
+        $r zadd zset 2 c
+        $r zadd zset 10 d
+        $r zadd zset 3 e
+        $r sort zset alpha desc
+    } {e d c b a}
+
+    test {Sorted sets +inf and -inf handling} {
+        $r del zset
+        $r zadd zset -100 a
+        $r zadd zset 200 b
+        $r zadd zset -300 c
+        $r zadd zset 1000000 d
+        $r zadd zset +inf max
+        $r zadd zset -inf min
+        $r zrange zset 0 -1
+    } {min c a b d max}
+

     test {EXPIRE - don't set timeouts multiple times} {
         $r set x foobar
         set v1 [$r expire x 5]
     test {EXPIRE - don't set timeouts multiple times} {
         $r set x foobar
         set v1 [$r expire x 5]


@@ -960,6 +1404,13 @@ proc main {server port} {
         $r lrange x 0 -1
     } {bar}
 
         $r lrange x 0 -1
     } {bar}
 

+    test {EXPIREAT - Check for EXPIRE alike behavior} {
+        $r del x
+        $r set x foo
+        $r expireat x [expr [clock seconds]+15]
+        $r ttl x
+    } {1[345]}
+

     test {ZSETs skiplist implementation backlink consistency test} {
         set diff 0
         set elements 10000
     test {ZSETs skiplist implementation backlink consistency test} {
         set diff 0
         set elements 10000


@@ -993,6 +1444,136 @@ proc main {server port} {
         } {0}
     }
 
         } {0}
     }
 

+    test {BGSAVE} {
+        $r flushdb
+        $r save
+        $r set x 10
+        $r bgsave
+        waitForBgsave $r
+        $r debug reload
+        $r get x
+    } {10}
+
+    test {Handle an empty query well} {
+        set fd [$r channel]
+        puts -nonewline $fd "\r\n"
+        flush $fd
+        $r ping
+    } {PONG}
+
+    test {Negative multi bulk command does not create problems} {
+        set fd [$r channel]
+        puts -nonewline $fd "*-10\r\n"
+        flush $fd
+        $r ping
+    } {PONG}
+
+    test {Negative multi bulk payload} {
+        set fd [$r channel]
+        puts -nonewline $fd "SET x -10\r\n"
+        flush $fd
+        gets $fd
+    } {*invalid bulk*}
+
+    test {Too big bulk payload} {
+        set fd [$r channel]
+        puts -nonewline $fd "SET x 2000000000\r\n"
+        flush $fd
+        gets $fd
+    } {*invalid bulk*count*}
+
+    test {Multi bulk request not followed by bulk args} {
+        set fd [$r channel]
+        puts -nonewline $fd "*1\r\nfoo\r\n"
+        flush $fd
+        gets $fd
+    } {*protocol error*}
+
+    test {Generic wrong number of args} {
+        catch {$r ping x y z} err
+        set _ $err
+    } {*wrong*arguments*ping*}
+
+    test {SELECT an out of range DB} {
+        catch {$r select 1000000} err
+        set _ $err
+    } {*invalid*}
+
+    if {![catch {package require sha1}]} {
+        test {Check consistency of different data types after a reload} {
+            $r flushdb
+            createComplexDataset $r 10000
+            set sha1 [datasetDigest $r]
+            $r debug reload
+            set sha1_after [datasetDigest $r]
+            expr {$sha1 eq $sha1_after}
+        } {1}
+
+        test {Same dataset digest if saving/reloading as AOF?} {
+            $r bgrewriteaof
+            waitForBgrewriteaof $r
+            $r debug loadaof
+            set sha1_after [datasetDigest $r]
+            expr {$sha1 eq $sha1_after}
+        } {1}
+    }
+
+    test {EXPIRES after a reload (snapshot + append only file)} {
+        $r flushdb
+        $r set x 10
+        $r expire x 1000
+        $r save
+        $r debug reload
+        set ttl [$r ttl x]
+        set e1 [expr {$ttl > 900 && $ttl <= 1000}]
+        $r bgrewriteaof
+        waitForBgrewriteaof $r
+        set ttl [$r ttl x]
+        set e2 [expr {$ttl > 900 && $ttl <= 1000}]
+        list $e1 $e2
+    } {1 1}
+
+    test {PIPELINING stresser (also a regression for the old epoll bug)} {
+        set fd2 [socket 127.0.0.1 6379]
+        fconfigure $fd2 -encoding binary -translation binary
+        puts -nonewline $fd2 "SELECT 9\r\n"
+        flush $fd2
+        gets $fd2
+
+        for {set i 0} {$i < 100000} {incr i} {
+            set q {}
+            set val "0000${i}0000"
+            append q "SET key:$i [string length $val]\r\n$val\r\n"
+            puts -nonewline $fd2 $q
+            set q {}
+            append q "GET key:$i\r\n"
+            puts -nonewline $fd2 $q
+        }
+        flush $fd2
+
+        for {set i 0} {$i < 100000} {incr i} {
+            gets $fd2 line
+            gets $fd2 count
+            set count [string range $count 1 end]
+            set val [read $fd2 $count]
+            read $fd2 2
+        }
+        close $fd2
+        set _ 1
+    } {1}
+
+    test {MUTLI / EXEC basics} {
+        $r del mylist
+        $r rpush mylist a
+        $r rpush mylist b
+        $r rpush mylist c
+        $r multi
+        set v1 [$r lrange mylist 0 -1]
+        set v2 [$r ping]
+        set v3 [$r exec]
+        list $v1 $v2 $v3
+    } {QUEUED QUEUED {{a b c} PONG}}
+

     # Leave the user with a clean DB before to exit
     test {FLUSHDB} {
         set aux {}
     # Leave the user with a clean DB before to exit
     test {FLUSHDB} {
         set aux {}


@@ -1008,11 +1589,18 @@ proc main {server port} {
         $r save
     } {OK}
 
         $r save
     } {OK}
 

+    catch {
+        if {[string match {*Darwin*} [exec uname -a]]} {
+            test {Check for memory leaks} {
+                exec leaks redis-server
+            } {*0 leaks*}
+        }
+    }
+

     puts "\n[expr $::passed+$::failed] tests, $::passed passed, $::failed failed"
     if {$::failed > 0} {
         puts "\n*** WARNING!!! $::failed FAILED TESTS ***\n"
     }
     puts "\n[expr $::passed+$::failed] tests, $::passed passed, $::failed failed"
     if {$::failed > 0} {
         puts "\n*** WARNING!!! $::failed FAILED TESTS ***\n"
     }

-    close $fd

 }
 
 proc stress {} {
 }
 
 proc stress {} {


@@ -1049,8 +1637,48 @@ proc stress {} {
     $r close
 }
 
     $r close
 }
 

+# Set a few configuration defaults
+set ::host 127.0.0.1
+set ::port 6379
+set ::stress 0
+set ::flush 0
+set ::first 0
+set ::last 1000000
+
+# Parse arguments
+for {set j 0} {$j < [llength $argv]} {incr j} {
+    set opt [lindex $argv $j]
+    set arg [lindex $argv [expr $j+1]]
+    set lastarg [expr {$arg eq {}}]
+    if {$opt eq {-h} && !$lastarg} {
+        set ::host $arg
+        incr j
+    } elseif {$opt eq {-p} && !$lastarg} {
+        set ::port $arg
+        incr j
+    } elseif {$opt eq {-stress}} {
+        set ::stress 1
+    } elseif {$opt eq {--flush}} {
+        set ::flush 1
+    } elseif {$opt eq {--first} && !$lastarg} {
+        set ::first $arg
+        incr j
+    } elseif {$opt eq {--last} && !$lastarg} {
+        set ::last $arg
+        incr j
+    } else {
+        puts "Wrong argument: $opt"
+        exit 1
+    }
+}
+

 # Before to run the test check if DB 9 and DB 10 are empty
 set r [redis]
 # Before to run the test check if DB 9 and DB 10 are empty
 set r [redis]

+
+if {$::flush} {
+    $r flushall
+}
+

 $r select 9
 set db9size [$r dbsize]
 $r select 10
 $r select 9
 set db9size [$r dbsize]
 $r select 10


@@ -1064,10 +1692,8 @@ unset r
 unset db9size
 unset db10size
 
 unset db9size
 unset db10size
 

-if {[llength $argv] == 0} {
-    main 127.0.0.1 6379
-} elseif {[llength $argv] == 1 && [lindex $argv 0] eq {stress}} {
+if {$::stress} {

     stress
 } else {
     stress
 } else {

-    main [lindex $argv 0] [lindex $argv 1]
+    main $::host $::port

 }
 }